Home / 49,642.27-74,468.84-21,543.01

Finding the Fourth Proportional to 49,642.27, 74,468.84 and 21,543.01

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Solution

The fourth proportional to 49,642.27, 74,468.84 and 21,543.01 is: 32,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.27 : 74,468.84 = 21,543.01 : x
  2. Step 2: Convert to fraction form
    49,642.27/74,468.84 = 21,543.01/x
  3. Step 3: Cross multiply
    49,642.27x = 74,468.84 × 21,543.01
  4. Step 4: Simplify right side
    49,642.27x = 1,604,282,964.81
  5. Step 5: Solve for x
    x = 1,604,282,964.81/49,642.27
  6. Step 6: Final answer
    x = 32,316.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.